Şile weather in December

In December, Şile sees average daytime highs of 11°C and overnight lows near 7°C, with 83 mm of precipitation across 12.1 wet days and about 9.1 hours of daylight. It is the 10th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 12°C in the first days to 10°C by the end. The sky is clear or mostly clear about 21% of the time in December, and the air most often feels dry.

Daylight stretches from about 9 h 18 min at the start of December to 9 h 06 min by month's end. Set against the rest of the year, December is Şile's 12th-clearest and 4th-windiest month. For the whole year in context, see Şile's year-round climate.

Daytime high
11°
10th warmest
Overnight low
4th coldest
Precipitation
83 mm
12.1 wet days
Daylight
9 hours
7:26 AM – 4:29 PM
Cloud cover
69%
12th clearest
Wind
16 km/h
4th windiest
Solar energy
1.43 kWh/m²
Travel score
2.5
out of 10

Temperature in December

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 12°C in the first days to 10°C by the end.

A typical December day in Şile reaches about 11°C in the afternoon and slips back to 7°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 6°C and 16°C. Set against its neighbours, December runs about 4°C cooler than November and about 2°C warmer than January.

10°15°20°151015202531
Avg high (°C)Avg low (°C)
1139
2138
3138
4128
5128
6128
7128
8128
9127
10117
11117
12117
13117
14117
15117
16117
17117
18117
19106
20106
21106
22106
23106
24106
25106
26106
27106
28106
29106
30106
31106

Şile weather by month

How December compares with the rest of the year at a glance. December is the 10th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / 7111.32.29.41.7
Feb10° / 5811.22.110.32.0
Mar12° / 6310.10.911.73.0
Apr16° / 10°407.30.113.15.3
May21° / 14°295.8014.37.4
Jun26° / 19°335.6014.97.9
Jul28° / 22°243.6014.77.6
Aug28° / 23°274.4013.67.3
Sep25° / 19°486.4012.37.8
Oct20° / 15°699010.96.5
Nov15° / 11°609.209.74.7
Dec11° / 8312.10.99.12.5

Cloud cover in December

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in December, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of December, with mostly cloudy or overcast conditions the remaining 66%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
13664
23565
33466
43565
53565
63565
73565
83565
93565
103565
113466
123466
133466
143466
153466
163367
173367
183367
193367
203268
213268
223367
233367
243268
253268
263268
273268
283169
293268
303268
313268

Chance of precipitation in December

Any precipitationSnow

Şile gets around 83 mm of rain and snow over 12.1 wet days in December, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable precipitation averages around 39% and peaks near 41% on the wettest days, and about 1 day brings snow.

0%10%20%30%40%50%151015202531
Rain chance (%)Snow chance (%)
1361
2361
3361
4361
5371
6371
7371
8381
9382
10392
11392
12402
13403
14403
15413
16413
17413
18413
19413
20414
21414
22404
23404
24404
25404
26404
27405
28405
29395
30396
31396

Humidity in December

DryComfortableHumidMuggyOppressiveMiserable

Most of December feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, December lands in the dry band about 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)
1991
21000
31000
41000
51000
61000
71000
81000
91000
101000
111000
121000
131000
141000
151000
161000
171000
181000
191000
201000
211000
221000
231000
241000
251000
261000
271000
281000
291000
301000
311000

Wind in December

Winds average 16 km/h in December.

Across December, daily wind ranges from about 15 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202531
Wind speed (km/h)Feels
115light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze
3116light breeze

Sunrise & sunset in December

DaylightNight

Daylight runs from about 9 h 18 min at the start of December to 9 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 12 minutes over December. Sunrise moves from 7:14 AM to 7:33 AM, and sunset from 4:29 PM to 4:37 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
19.37:144:29
29.27:154:29
39.27:164:28
49.27:174:28
59.27:184:28
69.27:194:28
79.17:194:28
89.17:204:28
99.17:214:28
109.17:224:28
119.17:234:28
129.17:234:28
139.17:244:28
149.17:254:29
159.17:264:29
169.07:264:29
179.07:274:29
189.07:284:30
199.07:284:30
209.07:294:30
219.07:294:31
229.07:304:31
239.07:304:32
249.07:314:32
259.07:314:33
269.07:314:34
279.07:324:34
289.07:324:35
299.17:324:35
309.17:324:36
319.17:334:37

Solar energy in December

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in December, about 1.43 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 1.43 kWh/m² to a high of 6.88 kWh/m² in June across the year — December's 1.43 kWh/m² sits near the bottom.

00.511.522.5151015202531
Solar energy (kWh/m²)Level
11.6Dim
21.6Dim
31.5Dim
41.5Dim
51.5Dim
61.5Dim
71.5Dim
81.5Dim
91.4Dim
101.4Dim
111.4Dim
121.4Dim
131.4Dim
141.4Dim
151.4Dim
161.4Dim
171.4Dim
181.4Dim
191.4Dim
201.4Dim
211.4Dim
221.4Dim
231.4Dim
241.4Dim
251.4Dim
261.4Dim
271.4Dim
281.4Dim
291.4Dim
301.5Dim
311.5Dim
Planning a trip in December

Is December a good time to visit Şile?

Our two travel scores rate December for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

2.5
Sightseeing
10th-best month of the year
0.0
Beach & pool
10th-best month of the year

December is a weaker month for outdoor sightseeing in Şile.

What to pack for Şile in December

From December's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In December, Şile sees daytime highs around 11°C and nights near 7°C. Pack a warm layer. Worth having: rain gear. About 12 days see rain.

a warm layerrain gear

Sea temperature near Şile in December

The nearest coast averages about 11°C in December — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 22 km away) is warmest in August at about 25°C and coldest in February near 7°C.

It's comfortable for a long swim from Jun 10 to Oct 8 — about 4 months when the water holds above 20°C.

10°20°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan8Bracing
Feb7Bracing
Mar8Bracing
Apr10Bracing
May16Cool
Jun21Refreshing
Jul24Warm
Aug25Warm
Sep23Refreshing
Oct19Cool
Nov15Bracing
Dec11Bracing

UV index in Şile in December

LowModerateHighVery highExtreme

Clear-sky midday UV in December peaks around 1. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Şile peaks around July 17 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 1 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highModerateLowJul 17UV 9Dec 22UV 1
UV index (midday)Level
Jan2Low
Feb2Moderate
Mar4Moderate
Apr7High
May7High
Jun9Very high
Jul9Very high
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec1Low

Air quality in Şile in December

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where December falls, not just the annual average.

Air quality in Şile is worst in March — around 17 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (July, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMar 1917 µg/m³Jul 189 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar17Moderate
Apr16Moderate
May13Moderate
Jun10Good
Jul9Good
Aug10Good
Sep10Good
Oct11Good
Nov11Good
Dec10Good
Location & terrain

Where is Şile?

Şile sits at 41.2°N, 29.6°E, in Turkey. The nearest listed city is Sancaktepe, 37 km away.

Topography around Şile

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Şile.

Within 3 km, the terrain around Şile has only modest variations in elevation — a maximum elevation change of 102 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 296 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,604 m.

The land around Şile is covered by water (61%) within 3 km, water (53%) and trees (42%) within 16 km, and water (46%) and trees (34%) within 80 km.

3 km
102 m
16 km
296 m
80 km
1,604 m
treesgrasslandcroplandartificial surfacesbare terrainwater
December weather nearby: Sancaktepe 37 km · Sultanbeyli 37 km · Gebze 44 km · Umraniye 45 km · Çubuklu 45 km · Ataşehir 47 km · Maltepe 47 km · Kandıra 47 km

Turkey travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F
230 V · 50 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$18,599
2025
Happiness
5.3 / 10
World Happiness, 2025
Homicide rate
3.2
per 100k, 2023
Road deaths
6.7
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 488
Religion
Muslim 100%other 0%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Şile (41.1789°, 29.6108°), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).